Home / 70,429,042.60-105,643,563.90-46,242,572.20

Finding the Fourth Proportional to 70,429,042.60, 105,643,563.90 and 46,242,572.20

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Solution

The fourth proportional to 70,429,042.60, 105,643,563.90 and 46,242,572.20 is: 69,363,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,429,042.60 : 105,643,563.90 = 46,242,572.20 : x
  2. Step 2: Convert to fraction form
    70,429,042.60/105,643,563.90 = 46,242,572.20/x
  3. Step 3: Cross multiply
    70,429,042.60x = 105,643,563.90 × 46,242,572.20
  4. Step 4: Simplify right side
    70,429,042.60x = 4,885,230,131,111,064
  5. Step 5: Solve for x
    x = 4,885,230,131,111,064/70,429,042.60
  6. Step 6: Final answer
    x = 69,363,858.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.